M.d.*in order for a brand name product to be dispensed, the prescriber must handwrite ‘‘brand necessary’’ or ‘‘brand medically necessary. Clin Chem. 1993 Jun;3961355-6. False-positive serum tricyclic antidepressant screen with cyproheptadine. Wians FH Jr, Norton JT, Wirebaugh SR. Find out which drugs can potentially cause a false positive drug test including additional details on the more commonly used substances.
False-Positive Tricyclic Antidepressant Drug Screen Results.
Several other substances also cause false-positive. False-Positive Tricyclic Antidepressant Drug. specifically diphenhydramine and cyproheptadine. Forecast your health care. Every time you have a symptom or are diagnosed of a condition, have you asked yourself can I forecast it, like weather?